Science Laboratory Safety Test!
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Do you know anything about science laboratories? Do you suppose you could pass this quiz? A science laboratory is a workplace for the conduct of scientific research. A laboratory is a facility that delivers regulated conditions in which scientific or technological research, experiments, and measurement may be performed. Try taking the quiz to find out how much you know about the science laboratory.
Questions and Answers
- 1.
Flammable materials, like alcohol, should never be dispensed or used near
- A.
An open door
- B.
An open flame
- C.
Another student
- D.
A sink
Correct Answer
B. An open flameExplanation
Flammable materials, such as alcohol, should never be dispensed or used near an open flame because they can easily catch fire and cause a dangerous situation. Open flames produce heat and can ignite flammable substances, leading to a fire hazard. It is important to keep flammable materials away from any potential ignition sources, such as open flames, to prevent accidents and ensure safety.Rate this question:
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- 2.
If a fire erupts in the class during a lab, immediately.
- A.
Notify your instructor
- B.
Run for the fire extinguisher
- C.
Throw water on the fire
- D.
Open the windows
Correct Answer
A. Notify your instructorExplanation
In case of a fire erupting in the class during a lab, it is important to notify the instructor immediately. This is because the instructor is responsible for the safety of the students and will have the necessary knowledge and training to handle such situations. They can initiate the appropriate evacuation procedures, inform other staff members, and ensure the safety of everyone present in the class. Running for the fire extinguisher or throwing water on the fire without proper training can be dangerous and may worsen the situation. Opening the windows can help with ventilation but should be done after notifying the instructor.Rate this question:
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- 3.
Approved eye protection devices such as goggles are worn in the laboratory.
- A.
To avoid eye strain
- B.
To improve your vision
- C.
Only if you don't have corrective glasses
- D.
Any time chemicals, heat or glassware are used
Correct Answer
D. Any time chemicals, heat or glassware are usedExplanation
Goggles are worn in the laboratory to protect the eyes from potential hazards such as chemicals, heat, and glassware. These protective devices create a barrier between the eyes and the environment, preventing any harmful substances or objects from coming into contact with the eyes. Therefore, it is necessary to wear goggles whenever there is a possibility of exposure to chemicals, heat, or glassware in order to ensure the safety and well-being of the individual.Rate this question:
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- 4.
If you do not understand a direction or part of a lab procedure, you should
- A.
Figure it out as you do the lab
- B.
Try several methods until something works
- C.
Ask the teacher before proceeding
- D.
Skip it and go on to the next part
Correct Answer
C. Ask the teacher before proceedingExplanation
When faced with a direction or part of a lab procedure that you do not understand, it is important to ask the teacher before proceeding. This ensures that you have a clear understanding of the task at hand and can perform it correctly and safely. Trying to figure it out as you go along may lead to mistakes or accidents, while trying several methods until something works can be time-consuming and inefficient. Skipping it and moving on to the next part may result in incomplete or inaccurate results. Therefore, asking the teacher for clarification is the best course of action.Rate this question:
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- 5.
After completing an experiment, all chemical wastes should be
- A.
Left at your lab station for the next class
- B.
Disposed of according to your instructor's direction
- C.
Dumped in the sink
- D.
Taken home
Correct Answer
B. Disposed of according to your instructor's directionExplanation
Chemical wastes should be disposed of according to the instructor's direction because they may pose a risk to the environment and human health if not handled properly. Different chemicals have different properties and require specific methods of disposal to ensure their safe handling and prevent any potential harm. Following the instructor's direction ensures that the waste is handled in a responsible and appropriate manner, minimizing any potential risks.Rate this question:
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- 6.
If a lab experiment is not completed, you should
- A.
Discuss the issue with your teacher
- B.
Sneak in after school and work alone
- C.
Come in during lunch and finish while eating lunch
- D.
Make up some results
Correct Answer
A. Discuss the issue with your teacherExplanation
The correct answer is to discuss the issue with your teacher. This is the appropriate course of action because the teacher can provide guidance and support in resolving the issue. Sneaking in after school and working alone is not recommended as it may be against school rules and could lead to further consequences. Coming in during lunch and finishing while eating lunch may not provide enough time or resources to complete the experiment properly. Making up results is dishonest and goes against the principles of scientific integrity.Rate this question:
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- 7.
You are heating a substance in a test tube. Always point the open end of the tube
- A.
Toward yourself
- B.
Toward your lab partner
- C.
Toward another classmate
- D.
Away from all people
Correct Answer
D. Away from all peopleExplanation
When heating a substance in a test tube, it is important to point the open end of the tube away from all people. This is because when the substance is heated, it may release gases, vapors, or even explode, posing a potential danger to anyone nearby. By pointing the open end away from all people, the risk of harm or injury is minimized as any potential release of substances will be directed away from individuals.Rate this question:
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- 8.
You are heating a piece of glass and now want to pick it up. You should
- A.
Use a rag or paper towels
- B.
Pick up the end that looks cooler
- C.
Use tongs
- D.
Pour cold water on it
Correct Answer
C. Use tongsExplanation
Using tongs is the correct answer because they provide a safe and secure grip on the heated glass without the risk of burning or dropping it. Tongs also allow for better control and precision when picking up the glass, minimizing the chances of accidents or injury. Using a rag or paper towels may not provide enough protection and can easily slip, while picking up the end that looks cooler is not a reliable method to determine the actual temperature of the glass. Pouring cold water on the heated glass can cause thermal shock and potentially shatter it.Rate this question:
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- 9.
You have been injured in the laboratory (cut, burn, etc.). First you should
- A.
Visit the school nurse after class
- B.
See a doctor after school
- C.
Tell the science instructor at once
- D.
Apply first aid to yourself
Correct Answer
C. Tell the science instructor at onceExplanation
In case of an injury in the laboratory, it is important to inform the science instructor immediately. The science instructor can provide appropriate guidance and assistance to address the injury effectively. They may also have knowledge of any specific protocols or procedures to follow in such situations. Seeking immediate help from the science instructor can help prevent further complications and ensure proper care is provided promptly.Rate this question:
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- 10.
When gathering glassware and equipment for an experiment, you should
- A.
Read all directions carefully to know what equipment is necessary
- B.
Examine all glassware to check for chips or cracks
- C.
Clean any glassware that appears dirty
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The correct answer is "all of the above" because when gathering glassware and equipment for an experiment, it is important to read all directions carefully to know what equipment is necessary. Additionally, examining all glassware to check for chips or cracks is essential to ensure the integrity of the equipment. Lastly, cleaning any glassware that appears dirty is necessary to remove any potential contaminants that could affect the experiment. Therefore, all of these steps should be followed to ensure a successful and accurate experiment.Rate this question:
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- 11.
Personal eyeglasses provide as much protection as
- A.
A face shield
- B.
Safety glasses
- C.
Splashproof chemical googles
- D.
None of the above
Correct Answer
D. None of the aboveExplanation
Personal eyeglasses do not provide as much protection as a face shield, safety glasses, or splashproof chemical goggles. Personal eyeglasses are designed for vision correction and do not have the same level of impact resistance or coverage as safety eyewear. Face shields, safety glasses, and splashproof chemical goggles are specifically designed to protect the eyes from various hazards such as impact, chemicals, and splashes. Therefore, none of the options provided (face shield, safety glasses, splashproof chemical goggles) offer the same level of protection as personal eyeglasses.Rate this question:
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- 12.
Long hair in the laboratory must be
- A.
Cut short
- B.
Held away from the experiment with one hand
- C.
Always neatly groomed
- D.
Tied back or kept entirely out of the way by tying it with a hair band.
Correct Answer
D. Tied back or kept entirely out of the way by tying it with a hair band.Explanation
Long hair in the laboratory must be tied back or kept entirely out of the way by tying it with a hair band to ensure safety and prevent contamination. This is because loose hair can easily come into contact with chemicals, equipment, or open flames, posing a risk of catching fire or causing accidents. Tying the hair back also helps maintain a clean and hygienic environment by preventing hair from falling into the experiment and contaminating it.Rate this question:
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- 13.
In a laboratory, the following should not be worn
- A.
Loose clothing
- B.
Dangling jewelry
- C.
Sandals
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
In a laboratory, it is important to prioritize safety measures to prevent accidents and injuries. Loose clothing can easily catch fire or get caught in equipment, posing a risk. Dangling jewelry can also get caught in machinery or chemicals, causing harm. Sandals do not provide adequate protection for the feet and may expose them to hazardous substances or accidents. Therefore, all of the above options should not be worn in a laboratory to ensure the safety of individuals working there.Rate this question:
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- 14.
The following footwear is best in the laboratory.
- A.
Sandals
- B.
Open-toes shoes
- C.
Closed-toed shoes
- D.
Shoes appropriate for the weather
Correct Answer
C. Closed-toed shoesExplanation
Closed-toed shoes are the best footwear in the laboratory because they provide maximum protection for the feet. In a laboratory setting, there is a higher risk of spills, chemicals, or objects falling on the feet. Closed-toed shoes offer a barrier against these hazards, reducing the chances of injuries or accidents. Sandals and open-toed shoes leave the toes exposed and are more prone to accidents or contact with hazardous substances. Shoes appropriate for the weather may not provide the necessary protection in a laboratory environment.Rate this question:
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- 15.
Horseplay or practical jokes in the laboratory are
- A.
Always against the rules
- B.
Okay
- C.
Not dangerous
- D.
Okay if you are working alone
Correct Answer
C. Not dangerousExplanation
Horseplay or practical jokes in the laboratory are not dangerous. This means that engaging in such activities does not pose a risk or harm to individuals or their surroundings. It is important to note that while they may not be dangerous, they may still be against the rules or considered inappropriate behavior in a laboratory setting.Rate this question:
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- 16.
If a piece of equipment is not working properly, stop, turn it off, and tell
- A.
The custodian
- B.
Your lab partner
- C.
Your best friend in the class
- D.
The science teacher
Correct Answer
D. The science teacherExplanation
In the given scenario, if a piece of equipment is not working properly, it is important to stop using it to prevent any further damage or potential harm. The next step is to turn it off to ensure safety. Finally, it is crucial to inform the science teacher about the malfunctioning equipment as they are responsible for maintaining and repairing the lab equipment. They have the knowledge and expertise to address the issue and ensure that it is fixed properly.Rate this question:
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- 17.
When you finish working with chemicals, biological specimens, and other lab substances, always
- A.
Treat your hands with skin lotion
- B.
Wash your hands thoroughly with soap and water
- C.
Wipe your hands on a towel
- D.
Wipe your hands on your clothes
Correct Answer
B. Wash your hands thoroughly with soap and waterExplanation
The correct answer is to wash your hands thoroughly with soap and water. This is because washing your hands with soap and water is the most effective way to remove any chemicals, biological specimens, or other lab substances from your hands. Skin lotion may not effectively remove these substances, and wiping your hands on a towel or clothes may spread the substances to other surfaces or clothing. Therefore, washing your hands with soap and water is the best practice to ensure proper cleanliness and safety.Rate this question:
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- 18.
Hot glass looks the same as cold glass.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Hot glass and cold glass may appear to look the same because their physical properties do not change significantly with temperature. Glass is a poor conductor of heat, so when it is heated or cooled, it does not change in appearance or color. Therefore, it is difficult to visually distinguish between hot glass and cold glass, making the statement true.Rate this question:
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- 19.
Work areas should be kept clean and tidy.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Keeping work areas clean and tidy is important for several reasons. Firstly, a clean and tidy work area promotes productivity and efficiency. It allows employees to easily find the tools and materials they need, reducing time wasted searching for things. Additionally, a clean work area reduces the risk of accidents and injuries, as clutter and hazards are minimized. It also creates a positive and professional image for clients and visitors. Overall, maintaining a clean and tidy work area is essential for a safe, organized, and productive working environment.Rate this question:
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- 20.
Never remove chemicals or other equipment from the classroom.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
It is important to never remove chemicals or other equipment from the classroom because they are essential for conducting experiments and other educational activities. Removing these items can disrupt the learning environment and potentially lead to safety hazards. Keeping the chemicals and equipment in the classroom ensures that they are readily available for use when needed and reduces the risk of accidents or misuse.Rate this question:
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Nov 16, 2023Quiz Edited by
ProProfs Editorial Team -
Aug 07, 2011Quiz Created by
Samara609
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